guest: about the education system. the second question is about the role of private enterprise in these technologies. education is the silver bullet and the thing that we can do most cheaply and easily to get kids excited about solving big problems. it needs to begin not in universities but at elementary and high school level education. every year we choose 35 young innovators who we believe have the greatest capacity to change the world. this year most of the 35 lived and worked in the united states, less than five had gone to elementary school in the united states. they came from china, europe, israel. we are not doing a good job in the states in making science and technology a profitable activity, where kids can commit their entire lives and careers to it. the best thing we can do is to invest in science and technology and mathematics education in our elementary and high schools. about the role of private enterprise in solving the problems. i believe that no import technology ever becomes broadly used unless it is c